SE-R Spec

iTrader: (2)

Fantastic job! Congrats man!

So, just for S&G's, does anyone make thst shifter extension for the T56 that we know of?

FD3SLS1

iTrader: (1)

Not for our T-56, there is one for the TR6060 but you also have to remove the integrated bellhousing, replace the front plate, buy a fair amount of new tremec parts and have the know how to pull the transmission apart to swap the parts. There may also be some machined work involved also.

The MagXL is by far the most cost effective way to get a proper shifter and a much stronger transmission in the process.

FuzzyLog1c

iTrader: (4)

Not only that the longer tailshaft requires a shorter driveshaft which increases the critical speed for a given driveshaft diameter and material construction. This reduces the cost and complexity of building a driveshaft that can support 200 mph.

rjoffe

Anyone like to venture why GM would not engineer the car with this type of arrangement from the factory ?

BudRacing

iTrader: (3)

A direct mount shifter is not very "Cadillac" in feel. The linkages allow for a separation with bushings from any drivetrain vibrations. Comfortable, but not very sporty--especially with such a long throw.

barrok69

Awesome write up!

FD3SLS1

iTrader: (1)

Yeah, with a top loader transmission shifter you feel everything especially with a aftermarket shifter with nothing to deaden the vibrations. In a nut shell there is no soft parts between your hand and the gears in the transmission.

FuzzyLog1c

iTrader: (4)

It's about a thousand dollars cheaper to build a car with an extra 11" of driveshaft and rubber/nylon bushings than a full-length tailshaft and Delrin isolated shifter stalk. The linkage bushings only have to be tight for as long as it takes you to drive the car off the lot. There's no warranty coverage for "subjective" performance characteristics like linkage play.

FD3SLS1

iTrader: (1)

Driveshaft pics as requested.

FD3SLS1

iTrader: (1)

Update added to 2nd post.

Joeking1025

iTrader: (1)

Great write up! Lots of good info!

runsfromdacops

dam fine work. a long time ago i started a t56 mag sawp in my v1 but the XL wasnt out yet. i endded up giving up and going to a 4l80e auto instead
good to see that someone did the complete swap

FD3SLS1

iTrader: (1)

Thanks, I got a few thousand miles on it so far with zero issues. It shifts like a dream and has zero play in the shifter. Transmission mount is holding up great and zero vibrations coming from the drive line even at 120+ mph.

As for the transmission mount being at a angle there has been zero issues with it. Come to find out in the mid 80's the transmission mount on the Camaros was at a 17 degree angle from the factory.

I was talking to one of the tech guys at modern driveline about modifying the tail housing to make the transmission mount flange flat and he told me that its not a issue and won't cause any adverse effects. That is when he told me about the 80's camaro, he did advise me to use a standard rubber transmission mount in which I have yet to do.

runsfromdacops

yeah when i got my t56mag i called tremic to make sure the tail mount wasnt a defect. i was shocked to find out they did it on purpose

FD3SLS1

iTrader: (1)

2 years and 30k+ miles later and the Magnum XL is still rocking and a rolling with zero issues. Best mod i have ever done to my car.

cam3439

Nice! I now have a different option should I chose to go down that dark path.